diff --git net-mgmt/collectd5/Makefile net-mgmt/collectd5/Makefile
index b21f33b9cb65..398a63e07f12 100644
--- net-mgmt/collectd5/Makefile
+++ net-mgmt/collectd5/Makefile
@@ -19,8 +19,8 @@ GNU_CONFIGURE=	yes
 
 OPTIONS_DEFINE=		CGI JAVA LOGGING GCRYPT LOGSTASH VIRT
 OPTIONS_GROUP=		INPUT OUTPUT
-OPTIONS_GROUP_OUTPUT=	KAFKA MONGODB NOTIFYDESKTOP NOTIFYEMAIL RIEMANN RRDTOOL \
-			TSDB
+OPTIONS_GROUP_OUTPUT=	KAFKA MONGODB NOTIFYDESKTOP NOTIFYEMAIL PROMETHEUS RIEMANN \
+			RRDTOOL TSDB
 OPTIONS_GROUP_INPUT=	CHRONY CURL CURL_JSON CURL_XML DBI IPMI JSON \
 			MEMCACHEC MODBUS MQTT MYSQL NUTUPS OLSRD ONEWIRE OPENLDAP \
 			PERL PGSQL PINBA PING PYTHON RABBITMQ REDIS ROUTEROS \
@@ -56,6 +56,7 @@ PERL_DESC=		Enable libperl plugin and binding
 PGSQL_DESC=		Enable postgresql-based plugins
 PINBA_DESC=		Enable pinba plugin (via protobuf-c)
 PING_DESC=		Enable ping plugin
+PROMETHEUS_DESC=		Enable write prometheus plugin
 PYTHON_DESC=		Enable python-based plugins
 RABBITMQ_DESC=		Enable rabbitmq-based plugins
 REDIS_DESC=		Enable redis-based plugins
@@ -215,6 +216,11 @@ PING_LIB_DEPENDS=		liboping.so:net/liboping
 PING_CONFIGURE_ENABLE=		ping
 PING_CONFIGURE_WITH=		liboping=${LOCALBASE}
 
+PROMETHEUS_LIB_DEPENDS=	libprotobuf-c.so:devel/protobuf-c
+PROMETHEUS_LIB_DEPENDS+=	libprotoc.so:devel/protobuf
+PROMETHEUS_LIB_DEPENDS+=	libmicrohttpd.so:www/libmicrohttpd
+PROMETHEUS_CONFIGURE_ENABLE=	write_prometheus
+
 PYTHON_USES=			python
 PYTHON_CONFIGURE_ENABLE=	python
 PYTHON_CONFIGURE_WITH=		python=${PYTHON_CMD}
diff --git net-mgmt/collectd5/pkg-plist net-mgmt/collectd5/pkg-plist
index 76aa1c0dbd41..0282137f943b 100644
--- net-mgmt/collectd5/pkg-plist
+++ net-mgmt/collectd5/pkg-plist
@@ -104,6 +104,7 @@ lib/collectd/write_graphite.so
 lib/collectd/write_log.so
 %%KAFKA%%lib/collectd/write_kafka.so
 %%MONGODB%%lib/collectd/write_mongodb.so
+%%PROMETHEUS%%lib/collectd/write_prometheus.so
 %%REDIS%%lib/collectd/write_redis.so
 %%RIEMANN%%lib/collectd/write_riemann.so
 %%TSDB%%lib/collectd/write_tsdb.so